Destroys the internal components of the ad. If the ad is in a loading state the destroy will happen after the loading completes.

After the ad has been destroyed it can no longer be used to make requests and all public API methods called will fail with a message outputted to the logs. Remove all references to this placement and create a new placement to make a new ad request.

Signals that the native ad container view has been presented on screen and is viewable.
Some components are required to be shown before tracking the impression. Failure to do so will throw a MMException